Migrates the attendee_calendar view aswell as the modules patching it.
The code has been simplified as much as possible to reduce complexity
while still retaining a similar flow.
TaskId-2999194
closesodoo/odoo#101492
X-original-commit: ee14c3ec4830454d80a63793a91f6d1c838363f1
Related: odoo/enterprise#31963
Signed-off-by: Yannick Tivisse (yti) <yti@odoo.com>
Signed-off-by: William Braeckman (wbr) <wbr@odoo.com>
